How to disassemble a bicycle freewheel. How many bearing balls are in a bike freewheel? Carefully open the bicycle freewheel by removing the retaining ring and keeping pressure on the body to prevent bearing balls from spilling out. Inside the bicycle freewheel, you’ll find rows of small bearing balls that support smooth rotation and load transfer. Counting and cleaning these balls during bicycle maintenance helps ensure quiet operation and long service life. #bicyclefreewheel #bikebearings #cyc